Duplexes for sale in Key Biscayne

1,917 available properties
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Property for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

23 hours ago

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Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

3 Bedrooms

2 Bathrooms

1,734 sq.ft

23 hours ago

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Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

23 hours ago

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Property for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

23 hours ago

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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

23 hours ago

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Foreclosure
Condo
Condo for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

2,605 sq.ft

23 hours ago

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Foreclosure
House
House for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

4 Bedrooms

3 Bathrooms

2,314 sq.ft

23 hours ago

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House
House for sale in Key Biscayne, Miami-Dade County
USD 18,500,000
USD 19,900,000
7%
Key Biscayne, Miami-Dade County

3,085 sq.ft

GardenSwimming pool

2 weeks + 2 days ago

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Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 3,400,000
Key Biscayne, Miami-Dade County

2 Bedrooms

1,830 sq.ft

TerraceBalconySecuritySwimming poolParking

3 weeks + 23 hours ago

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House
House for sale in Key Biscayne, Miami-Dade County
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Key Biscayne, Miami-Dade County

11,528 sq.ft

GardenGymEquipped kitchenSwimming poolLift

3 weeks + 2 days ago

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House
House for sale in Key Biscayne, Miami-Dade County
USD 5,199,000
Key Biscayne, Miami-Dade County
GardenParkingSwimming pool

Oct 18, 2026

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Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 844,000
Key Biscayne, Miami-Dade County
TerraceSwimming poolParking

Oct 16, 2026

48 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 4,450,000
Key Biscayne, Miami-Dade County
PatioTerraceSaunaSwimming poolGymEquipped kitchenParkingLift

Oct 16, 2026

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Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 2,800,000
Key Biscayne, Miami-Dade County
TerraceBalconySwimming poolLift

Oct 16, 2026

36 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 5,990,000
Key Biscayne, Miami-Dade County
GardenTerraceSwimming pool

Oct 15, 2026

28 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Miami-Dade County
USD 3,500,000
Key Biscayne, Miami-Dade County

1,830 sq.ft

TerraceEquipped kitchenSwimming poolLift

Oct 14, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 5,378,000
Key Biscayne, Miami-Dade County
GardenEquipped kitchenSwimming pool

Oct 11, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 7,450,000
Key Biscayne, Miami-Dade County
GardenOffice roomTerraceEquipped kitchenSwimming poolLift

Sep 18, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

2 Bedrooms

2 Bathrooms

1,260 sq.ft

GardenGymEquipped kitchenSecurityFully furnished

Oct 02, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
Request Details
Key Biscayne, Miami-Dade County

3 Bedrooms

3 Bathrooms

1,181 sq.ft

Equipped kitchen

Oct 02, 2026

45 pictures Arrow icon pointing to the right
New
House
House for sale in Key Biscayne, Miami-Dade County
USD 1,695,000
Key Biscayne, Miami-Dade County

2 Bathrooms

142 sq.ft

Equipped kitchenSwimming pool

1 day + 23 hours ago

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New
House
House for sale in Key Biscayne, Miami-Dade County
USD 2,200,000
Key Biscayne, Miami-Dade County

1 Bathroom

78 sq.ft

BalconyEquipped kitchenSecuritySwimming poolParking

1 day + 23 hours ago

58 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
USD 19,450,000
Key Biscayne, Miami-Dade County

8 Bathrooms

719 sq.ft

TerraceEquipped kitchenSwimming poolLift

4 days + 23 hours ago

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Condo
Condo for sale in Key Biscayne, Miami-Dade County
USD 18,500,000
Key Biscayne, Miami-Dade County

5 Bedrooms

5 Bathrooms

4,166 sq.ft

TerraceSwimming poolEquipped kitchen

4 days + 23 hours ago

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Detached House
Detached House for sale in Key Biscayne, Miami-Dade County
USD 19,750,000
Key Biscayne, Miami-Dade County

6 Bathrooms

600 sq.ft

GardenEquipped kitchenSwimming pool

6 days + 23 hours ago

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House
House for sale in Key Biscayne, Miami-Dade County
USD 520,000
Key Biscayne, Miami-Dade County

2 Bathrooms

89 sq.ft

BalconyParking

6 days + 23 hours ago

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House
House for sale in Key Biscayne, Miami-Dade County
USD 18,500,000
Key Biscayne, Miami-Dade County

4 Bedrooms

4 Bathrooms

2,255 sq.ft

Oct 17, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 3,975,000
Key Biscayne, Miami-Dade County

4 Bathrooms

287 sq.ft

Equipped kitchenSecuritySwimming pool

Sep 26, 2026

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House
House for sale in Key Biscayne, Miami-Dade County
USD 19,750,000
Key Biscayne, Miami-Dade County

6 Bedrooms

6 Bathrooms

6,378 sq.ft

1 week + 23 hours ago

54 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Miami-Dade County
USD 12,990,000
Key Biscayne, Miami-Dade County

5 Bathrooms

687 sq.ft

Equipped kitchenAir conditioning

1 week + 1 day ago